Alfred walker



A. WALKER.

Damper. I

No. 105,525. Patented July 19, 1870 W wijfi Wiazesses: I INA W. 1; 5515 w 5% /M, I

N PEIERS, PHOTQ'LITHOGRAPNER WASHINGTON O C To all rvhom 'it mag concern:

pa e can.

IIALFVRED WALKER, 0r PORTLAND, MAINE.

Letters Patent No.'105,5 25, dated July 19, 1370.

amount-on non mm swarms APPARATUS. I

The Schedule referred to 'in these Letters Patent and making part of thesame Be 'it known that I, ALFRED WALKER, of Port- ,land, in thefl-conntylof Cumberland and State of Maine, have invented anew and useful Improved Regulator for Steam Heating Apparatus; and I hereby declare the following. to be a full, clear, and exact description thereof, whichwill enable others to make and use my invention, reference being bad to the ac-' 'companymg drawings forming'part of this specification, in which--.

Figure 1 shows-a top plan; Figure 2, a side elevation. My invention has for its object the production of an apparatus for governing thepassage of steam from a boiler to a coil or radiator, or any heating rifep:

tacle for steam, in a steam heating apparatus, and has a further purpose, of rendering such device, in a measure, automatic in its operation. i I do not propose to claim a regulator or governor broadly, whose operation isgoyerned by the amount 3 of heat evolved from the boiler or steam,"but a particular description of the' drawings will clearly illustratc my invention.

My device rests upon any convenient frame or support, asA. j l i v a shows thepipe: connected with the boiler, and

: through which the steam isconducted into my regulator on its. Way to the. radiator, or other device by.

which rooms are warmed,

Tl's pipe or conducts into the receiver 1), which communicates with the cylinder 0, as illustrated.

In this cylinder cis a conical valve, d, attached to the horizontal rod or piston e. 1 The cylinder rests on a suppo1t,.;f.

The rod 0 extends to the support g, and is there set into and attached to the-piece h. This piece h is attached to theend of'the serpentine coils ij. The

other end of the serpentine-coil is attached to a small upright, k, which is attached or set on aplate, Z. This plate Zis attached to, asmall carriage, m, moving .on rodsor tracks, a. v

This device is to be locatedat a point where the serpentine coils will be aflected by the heat or tempera ature of the room to'be warmed,

Theserpentinecoils are made as follows:

First, a continuous, piece offsteel, i, bent as illus trated; then, in each of the bends or curves, 1, 2, 3, 4,850., is attached to the steel a piece of brass, j,

i a {which expandsmore readilywith-heat than the steel. This lining of brassis shown in the drawings;

As the temperature of the room increases the serpentine coils t j will expand by-the influence of the brass linings j. This expansion will carry outwardly ytbe rode, and bring up the va1ved onto its seat, and

thus check theentrance of the steam along the pipe open the passage of the steam to the radiator in the l'OOl'll.

The carriage m, before alluded to, slides backward w or forward on the tracks or rods n, in the, frame 1). Attached to this carriage, at q, is the rod r, which has a screw at s, to work in a female screw in q. The rod r has a thumb-piece, t.

By screwing the rod outwardly, or toward the thumb-piece t, it is apparent that the carriage m will be also carried toward t, and thus-the rode drawn forward, the effect of which will be to bring the valve cl nearerto closing the cylinder 0. Thus it will be under stood that the combination of the rod 1', the carriage an, the serpentine coils, and the rod c, with the valve d, and cylinder, serve as a regulator to theauiount of heat necessary to close the valve 4 in the cylinder 0.

For example, it'a certain numberof degrees of heat are necessary to close the valve 11, and cut off the admission of the steam into the radiator,then the carriage m can be drawn outwardly toward 1, and the number of degrees necessary to close the valve proportionately diminished, so that the regulator can be gauged to suit the varying degrees ofnaturaltemperature, and the amount of'heat required-to warm :1. room or house under any given circumstances;

A gauge upon the rod 1 can be:made to indicate the number'of degrees of heat with accuracy.

u lsa spring, set 'on uprights, o, to carry back the carriage as it is released by the rod 1'.

The method of connecting this device with a-steamheating apparatus is evident, as it is placed between the steam generating apparatus and the radiator. It is apparent that the serpentine coil may expand or contract independent of the carriage m, as said coil is attached at 70, which is stati'onary,,except when moved by rod 1, in order to alter the degree of heat requisite to close the valve (1; v What I claim as my invention, and desire to secure by Letters Patent, is-, v 1. The regulator coil, consisting of a serpentine piece of steel, i in combination with aseries of brass lining pieces, the two combined and operating together substantially as herein described.

2. The screw-rod 1' s, and carriage m, in combination with the coil i' rod 0, 'alve d, cylinder 0, and re-" ceiver 11, substantially as and for the purpose described.

, ALFRED WALKER.

Witnesses:

HENRY G. Honsron, WM. FnANK SEAVEY. 

